<!DOCTYPE html>
<html lang="en" xmlns:v-on="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="UTF-8">
    <title>修饰符</title>
    <script src="node_modules/vue/dist/vue.js"></script>
</head>
<body>
<div id="app"></div>
<form v-on:submit.prevent="onSubmit"></form>
<script>
    new Vue({
        el: "#app"
    })
</script>
</body>
</html>